- DOPPLER'S EFFECT
- ظاهرة دوبلر
English-Arabic military dictionary. 2015.
DOPPLER'S EFFECT
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Doppler radar — Doppler effect A Doppler radar is a specialized radar that makes use of the Doppler effect to produce velocity data about objects at a distance. It does this by beaming a microwave signal towards a desired target and listening for its reflection … Wikipedia
Doppler cooling — is a mechanism that can be used to trap and cool atoms. The term is sometimes used synonymously with laser cooling, though laser cooling includes other techniques. Contents 1 History 2 Brief Explanation 3 Detailed Explanation … Wikipedia
Doppler cooling limit — Doppler temperature is the minimum temperature achievable with Doppler cooling, one of the methods of laser cooling. When a photon is absorbed by an atom moving in the opposite direction, its velocity is decreased according to the laws of… … Wikipedia
Doppler echocardiography — Intervention Mitral valve MeSH … Wikipedia
Doppler ultrasonic flowmeter — Doppler ultrasound flowmeter a flowmeter that is sensitive to the Doppler effect, such as measuring blood flow by noting the Doppler effect in ultrasonic waves reflected off moving red blood cells. Called also ultrasonic or ultrasound Doppler f … Medical dictionary
Doppler — 1871, in reference to Christian Doppler (1803 1853), Austrian scientist, who in 1842 explained the effect of relative motion on waves (originally to explain color changes in binary stars); proved by musicians performing on a moving train. Doppler … Etymology dictionary
Doppler effect — Doppler io efektas statusas T sritis automatika atitikmenys: angl. Doppler effect vok. Doppler Effekt, m rus. доплеровский эффект, m; эффект Доплера, m pranc. effet Doppler, m ryšiai: sinonimas – Doplerio efektas … Automatikos terminų žodynas
Doppler effect — Doppler io reiškinys statusas T sritis automatika atitikmenys: angl. Doppler effect vok. Doppler Effekt, m rus. доплеровский эффект, m pranc. effet Doppler, m ryšiai: sinonimas – Doplerio reiškinys … Automatikos terminų žodynas
Doppler fetal monitor — Invented in 1958 by Dr. Edward H. Hon[1] a Doppler fetal monitor or … Wikipedia
Doppler effect — (also Doppler shift) ► NOUN Physics ▪ an increase (or decrease) in the apparent frequency of sound, light, or other waves as the source and the observer move towards (or away from) each other. ORIGIN named after the Austrian physicist Johann… … English terms dictionary
Doppler ultrasound — n ultrasound that utilizes the Doppler effect to measure movement or flow in the body and esp. blood flow called also Doppler ultrasonography * * * a diagnostic technique that utilizes the fact that the frequency of ultrasound waves changes when… … Medical dictionary
